bids are invited for amc / cmc of fire extinguishers - railway depots and train coaches; refilling of dry powder stored pressure type fire extinguisher , amc / cmc of fire extinguishers - railway depots and train coaches; quarterly inspection of dry powder stored pressure type fire extinguisher , amc / cmc of fire extinguishers - railway depots and train coaches; refilling of dry powder catridge type fire extinguisher , amc / cmc of fire extinguishers - railway depots and train coaches; quarterly inspection of dry powder catridge type fire extinguisher , amc / cmc of fire extinguishers - railway depots and train coaches; provision of safety lock or clip on requirement basis , amc / cmc of fire extinguishers - railway depots and train coaches; provision of discharge hose pipe on requirement basis , amc / cmc of fire extinguishers - railway depots and train coaches; provision of abc pressure valve on requirement basis , amc / cmc of fire extinguishers - railway depots and train coaches; provision of pressure gauge on requirement basis , amc / cmc of fire extinguishers - railway depots and train coaches; provision of hose washer on requirement basis , amc / cmc of fire extinguishers - railway depots and train coaches; provision of cap washer on requirement basis , amc / cmc of fire extinguishers - railway depots and train coaches; provision of gun metal cap on requirement basis , amc / cmc of fire extinguishers - railway depots and train coaches; provision of co2 catridge on requirement basis total quantity :